881 results found

Search Results for: biological system

Biological system

Definition noun, plural: biological systems A group of entities or organs that work together to carry out a particular... Read More

Regulation of Biological Systems

Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population... Read More

Biology

Biology Definition Biology is the branch of science that primarily deals with the structure, function, growth, evolution,... Read More

System

A system pertains to interdependent or interrelated objects comprising and functioning as a whole. In biology, it may refer... Read More

Biological rhythm

Definition noun, plural: biological rhythms A synchronized cyclic pattern demonstrated by an organism in response to a... Read More

Chronobiology

Definition noun A biological science that studies time-related phenomena in living organisms Supplement Chronobiology is a... Read More

Biological Physics: Energy, Information, Life by P. Nelson

 Biological Physics: Energy, Information, Life       ... Read More

Introduction to Biophotonics

Introduction to Biophotonics      ... Read More

The Effects of Low Temperatures on Biological Systems

The Effects of Low Temperatures on Biological Systems      ... Read More

Diffusion

Diffusion Definition Diffusion is the net passive movement of molecules or particles from regions of higher to regions of... Read More

Chronobiologist

Definition noun, plural: chronobiologists A professional or an expert in the field of chronobiology Supplement A... Read More

Branches of biology

Branches of Biology Biology, the scientific study of life, includes several relevant branches. Below is a list of major... Read More

Carbohydrate

Definition noun plural: carbohydrates car·bo·hy·drate, kɑːbəʊˈhaɪdɹeɪt Any of the group of organic compounds... Read More

Degenerate

Degenerate means to become worse or less of its kind or former state. In biology, it means an entity performs the same... Read More

Genus

A genus is a taxonomic category ranking used in biological classification that is below family and above species. Species... Read More

Fructose

Definition noun plural: fructoses fruc•tose, ˈfɹʊk.toʊs A ketohexose monosaccharide with a chemical formula of... Read More

Biological clock

Definition noun, plural: biological clocks Any of the various mechanisms that regulate biological rhythms Supplement A... Read More

Simple diffusion

Simple Diffusion Definition What is simple diffusion? In biology, simple diffusion is a form of diffusion that does not... Read More

Zeitgeber

Definition noun, plural: zeitgebers An external or environmental cue that helps regulate biological clock that drives... Read More

Protein

Protein Definition Proteins are biomolecules comprised of amino acid residues joined together by peptide bonds.... Read More

Mathematical Models in Biology by L. Edelstein-Keshet

Mathematical Models in Biology (Classics in Applied Mathematics)   ... Read More

Nitrogen

Definition noun plural: nitrogens ni·tro·gen, ˈnɐɪtʰɹədʒən (biochemistry) A colorless, odorless, gaseous... Read More

Biotechnology

Biotechnology Definition Biotechnology is a technology that uses biological systems or living organisms for a particular... Read More

Ribosome

Definition noun plural: ribosomes ri·bo·some, ˈɹaɪbəˌsəʊm (cell biology) A minute, sphere-shaped particle... Read More

Phosphodiester bond

Phosphodiester Bond Definition Phosphodiester bonds are the backbone of the strands of nucleic acid present in the life... Read More

Hyperosmotic

Hyperosmotic Definition The word Hyperosmotic is derived from two Greek words: 'hyper', meaning “excess” and 'osmos',... Read More

Glycerol

Definition noun glyc•er•ol, ˈglɪs əˌrɔl A sugar alcohol made up of two polyols derived from saponification of... Read More

Circadian rhythm

Circadian Rhythm Definition A circadian rhythm is an endogenously-driven biological rhythm with a period close to 24... Read More

Diurnal rhythm

Definition noun, plural: diurnal rhythms A biological rhythm that primarily express a periodicity during daylight... Read More

Rough endoplasmic reticulum

Definition noun plural: rough endoplasmic reticula (cell biology) A type of endoplasmic reticulum wherein polyribosomes... Read More

Galactose

Definition noun plural: galactoses ga·lac·tose, ɡəˈlæktəʊz An aldohexose monosaccharide (chemical formula:... Read More

The interstitium – a new biological organ?

Scientists found, apparently by accident, a new biological organ and they want it called "interstitium". The discovery was... Read More

Facilitated diffusion

Facilitated diffusion is the transport of substances across a biological membrane from an area of higher concentration to an... Read More

Plasma membrane

Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More

Principles of Biochemistry With a Human Focus by R.H. Garrett & C.M. Grisham

Principles of Biochemistry With a Human Focus       ... Read More

Denaturation

Denaturation Definition In biochemistry, denaturation is defined as a process in which a molecular structure deviates from... Read More

Amphipathic

Amphipathic is a word used to describe a chemical compound containing both polar (water-soluble) and nonpolar (not... Read More

Calculus for Biology and Medicine 2nd Ed. by C. Neuhauser

Calculus for Biology and Medicine, Second Edition      ... Read More

Ex vivo

Definition adjective, adverb (Of a biological process) made to occur in or on a biological tissue but in an artificial... Read More

Concentration gradient

Concentration gradient definition Concentration gradient refers to the gradual change in the concentration of solutes in a... Read More